module SmppClient

  module Pdu

    # Type of Number (TON).

    module Ton

      UNKNOWN = 0b00000000

      INTERNATIONAL = 0b00000001

      NATIONAL = 0b00000010

      NETWORK_SPECIFIC = 0b00000011

      SUBSCRIBER_NUMBER = 0b00000100

      ALPHANUMERIC = 0b00000101

      ABBREVIATED = 0b00000110

    end

  end
end